🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 8.4

Gravity: 12.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.42 AU - 1.56 AU

Year: 1174 Days

Day: 14.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,618,387 km

• M1: 104,419 km (0.064 R)
• M2: 402,418 km (0.09 R)
• M3: 1,096,403 km (0.044 R)
• M4: 1,510,191 km (0.098 R)
• M5: 2,427,076 km (0.112 R)
• M6: 3,674,872 km (0.093 R)
• M7: 4,149,695 km (0.07 R)
• M8: 4,937,927 km (0.112 R)
• M9: 5,711,796 km (0.048 R)
• M10: 7,315,635 km (0.108 R)
• M11: 8,462,303 km (0.039 R)
• M12: 9,382,479 km (0.036 R)
• M13: 10,334,969 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 11

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.84 AU - 2.12 AU

Year: 1799 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,618,387 km

• M1: 136,882 km (0.104 R)
• M2: 507,586 km (0.084 R)
• M3: 873,801 km (0.05 R)
• M4: 1,462,918 km (0.092 R)
• M5: 1,835,566 km (0.117 R)
• M6: 2,410,919 km (0.111 R)
• M7: 3,129,438 km (0.081 R)
• M8: 3,511,062 km (0.093 R)
• M9: 4,270,720 km (0.051 R)
• M10: 5,456,582 km (0.095 R)
• M11: 6,053,777 km (0.118 R)
• M12: 7,168,730 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 14.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.5 AU - 3.66 AU

Year: 3490 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,618,387 km

• M1: 178,021 km (0.032 R)
• M2: 1,190,799 km (0.044 R)
• M3: 3,000,933 km (0.113 R)
• M4: 5,323,739 km (0.097 R)
• M5: 6,008,000 km (0.049 R)
• M6: 6,899,753 km (0.028 R)
• M7: 7,425,290 km (0.091 R)
• M8: 8,452,878 km (0.116 R)
• M9: 9,238,267 km (0.099 R)
• M10: 11,932,674 km (0.103 R)
• M11: 17,151,246 km (0.114 R)
• M12: 19,364,996 km (0.059 R)
• M13: 21,567,226 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 12.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.08 AU - 4.8 AU

Year: 5050 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 84.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,618,387 km

• M1: 158,275 km (0.119 R)
• M2: 649,255 km (0.083 R)
• M3: 1,100,891 km (0.096 R)
• M4: 1,551,629 km (0.07 R)
• M5: 2,111,724 km (0.085 R)
• M6: 2,937,504 km (0.077 R)
• M7: 3,556,091 km (0.102 R)
• M8: 4,944,359 km (0.041 R)
• M9: 5,489,494 km (0.098 R)
• M10: 6,907,382 km (0.114 R)
• M11: 7,479,594 km (0.104 R)
• M12: 10,687,571 km (0.057 R)
• M13: 13,205,154 km (0.04 R)
• M14: 14,834,274 km (0.057 R)
• M15: 15,306,405 km (0.108 R)
• M16: 17,360,982 km (0.107 R)
• M17: 19,243,372 km (0.098 R)
• M18: 23,970,366 km (0.063 R)
• M19: 25,200,360 km (0.103 R)
• M20: 26,043,493 km (0.115 R)
• M21: 27,167,572 km (0.06 R)
• M22: 27,786,009 km (0.052 R)
• M23: 30,829,279 km (0.099 R)
• M24: 32,480,690 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 12.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.89 AU - 4.65 AU

Year: 5697 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,618,387 km

• M1: 262,993 km (0.077 R)
• M2: 916,137 km (0.105 R)
• M3: 1,463,815 km (0.066 R)
• M4: 7,322,816 km (0.102 R)
• M5: 8,706,746 km (0.103 R)
• M6: 11,583,064 km (0.112 R)
• M7: 13,456,029 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.3

Radius: 5.2

Gravity: 17.84 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.15 AU - 9.59 AU

Year: 18519 Days

Day: 17.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,618,387 km

• M1: 65,225 km (0.084 R)
• M2: 491,579 km (0.096 R)
• M3: 919,877 km (0.108 R)
• M4: 1,167,911 km (0.067 R)
• M5: 1,583,344 km (0.078 R)
• M6: 1,764,806 km (0.095 R)
• M7: 2,436,949 km (0.114 R)
• M8: 2,634,419 km (0.109 R)
• M9: 3,061,969 km (0.037 R)
• M10: 3,371,786 km (0.099 R)
• M11: 3,788,267 km (0.066 R)
• M12: 4,114,839 km (0.088 R)
• M13: 4,790,273 km (0.068 R)
• M14: 5,066,281 km (0.036 R)
• M15: 8,586,469 km (0.036 R)
• M16: 9,097,645 km (0.044 R)
• M17: 9,683,171 km (0.095 R)
• M18: 11,899,463 km (0.105 R)
• M19: 12,277,796 km (0.078 R)
• M20: 13,258,710 km (0.03 R)
• M21: 13,596,950 km (0.062 R)
• M22: 19,300,070 km (0.103 R)
• M23: 19,910,130 km (0.103 R)
• M24: 21,445,304 km (0.106 R)
• M25: 21,911,451 km (0.107 R)
• M26: 25,886,715 km (0.096 R)
• M27: 26,735,533 km (0.082 R)
• M28: 29,968,493 km (0.12 R)
• M29: 32,956,710 km (0.116 R)
• M30: 33,702,455 km (0.065 R)
• M31: 34,586,429 km (0.057 R)
• M32: 39,517,474 km (0.073 R)
• M33: 45,201,146 km (0.08 R)
• M34: 50,252,767 km (0.058 R)
• M35: 52,576,471 km (0.112 R)
• M36: 56,547,696 km (0.116 R)
• M37: 57,080,115 km (0.113 R)
• M38: 57,615,675 km (0.104 R)
• M39: 63,539,302 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.9

Radius: 7.8

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.82 AU - 9.88 AU

Year: 19960 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,618,387 km

• M1: 101,278 km (0.062 R)
• M2: 476,619 km (0.04 R)
• M3: 793,617 km (0.096 R)
• M4: 1,531,733 km (0.087 R)
• M5: 1,992,494 km (0.069 R)
• M6: 2,892,624 km (0.098 R)
• M7: 4,274,909 km (0.107 R)
• M8: 4,845,625 km (0.041 R)
• M9: 5,149,458 km (0.106 R)
• M10: 7,296,935 km (0.12 R)
• M11: 10,917,802 km (0.097 R)
• M12: 11,243,028 km (0.095 R)
• M13: 11,776,943 km (0.066 R)
• M14: 13,258,710 km (0.064 R)
• M15: 17,018,254 km (0.065 R)
• M16: 21,332,058 km (0.09 R)
• M17: 23,308,695 km (0.091 R)
• M18: 24,176,362 km (0.064 R)
• M19: 26,207,004 km (0.066 R)
• M20: 26,790,585 km (0.027 R)
• M21: 36,617,071 km (0.079 R)
• M22: 38,383,971 km (0.119 R)
• M23: 40,671,323 km (0.103 R)
• M24: 45,516,050 km (0.064 R)
• M25: 49,658,265 km (0.114 R)
• M26: 50,193,227 km (0.071 R)
• M27: 55,562,893 km (0.096 R)
• M28: 56,525,855 km (0.106 R)
• M29: 56,914,061 km (0.092 R)
• M30: 71,879,234 km (0.055 R)
• M31: 74,642,606 km (0.101 R)
• M32: 75,814,705 km (0.068 R)
• M33: 77,955,301 km (0.03 R)
• M34: 78,436,408 km (0.103 R)
• M35: 82,855,828 km (0.088 R)
• M36: 83,106,105 km (0.064 R)
• M37: 84,112,300 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 17,132 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit